Home / 55,175.30-82,860.15-53,425.70

Finding the Fourth Proportional to 55,175.30, 82,860.15 and 53,425.70

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Solution

The fourth proportional to 55,175.30, 82,860.15 and 53,425.70 is: 80,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,175.30 : 82,860.15 = 53,425.70 : x
  2. Step 2: Convert to fraction form
    55,175.30/82,860.15 = 53,425.70/x
  3. Step 3: Cross multiply
    55,175.30x = 82,860.15 × 53,425.70
  4. Step 4: Simplify right side
    55,175.30x = 4,426,861,515.86
  5. Step 5: Solve for x
    x = 4,426,861,515.86/55,175.30
  6. Step 6: Final answer
    x = 80,232.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.